Finding the Third Proportional to 2,153,851 and 4,698,878

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153,851 : 4,698,878 = 4,698,878 : x
2. Step 2: Convert to fraction form
   2,153,851/4,698,878 = 4,698,878/x
3. Step 3: Cross multiply
   2,153,851x = 4,698,878 × 4,698,878
4. Step 4: Simplify right side
   2,153,851x = 22,079,454,458,884
5. Step 5: Solve for x
   x = 22,079,454,458,884/2,153,851
6. Step 6: Final answer
   x = 10,251,152.22